import axios from 'axios'
// import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import router from '@/router'
// import { getToken } from '@/utils/auth'

// create an axios instance创建axios的实例
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout请求超时
})

service.interceptors.response.use(
  response => {
  //  console.log('从后端回来的数据', response)
    if (response.data.success === false) {
      // 抛出错误:返回一个错误状态的promise
      return Promise.reject(new Error(response.data.message))
    } else {
      return response.data
    }
  },
  error => {
    // 1.发axios时,真他吗不是2开头
    // 2.网络问题,超时,断网
  //  console.log('响应拦截器,错误信息')
  //  console.log(error) // for debug
    if (error.response.data.code === 10002) {
      // token过期
      // 1.删除本地登录信息
      store.dispatch('user/userLogout')
      // 2.router.push('/login?return_url='+当前的path)
      // router.currentRoute ===>this.$route
      router.push('/login?return_url=' + router.currentRoute.path)
    }
    return Promise.reject(error)
  }
)
// request interceptor请求拦截器
service.interceptors.request.use(
  config => {
    // 所有的请求发出去之前都会走这里
    console.log('所有的请求发出去之前都会走这里,config')
    // console.log(store);
    // 导入store拿到token
    const token = store.state.user.token
    // 如果有token就带上
    if (token) {
      // 根据接口文档要求,把token设置到请求头上
      config.headers.Authorization = `Bearer ${token}`
    }
    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      // config.headers['X-Token'] = getToken()
    }
    return config
  },
  error => {
    return Promise.reject(error)
  }
)

// // response interceptor响应拦截器
// service.interceptors.response.use(
//   /**
//    * If you want to get http information such as headers or status
//    * Please return  response => response
//   */

//   /**
//    * Determine the request status by custom code
//    * Here is just an example
//    * You can also judge the status by HTTP Status Code
//    */
//   response => {
//     const res = response.data

//     // if the custom code is not 20000, it is judged as an error.
//     if (res.code !== 20000) {
//       Message({
//         message: res.message || 'Error',
//         type: 'error',
//         duration: 5 * 1000
//       })

//       // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
//       if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
//         // to re-login
//         MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
//           confirmButtonText: 'Re-Login',
//           cancelButtonText: 'Cancel',
//           type: 'warning'
//         }).then(() => {
//           store.dispatch('user/resetToken').then(() => {
//             location.reload()
//           })
//         })
//       }
//       return Promise.reject(new Error(res.message || 'Error'))
//     } else {
//       return res
//     }
//   },
//   error => {
//     console.log('err' + error) // for debug
//     Message({
//       message: error.message,
//       type: 'error',
//       duration: 5 * 1000
//     })
//     return Promise.reject(error)
//   }
// )

export default service
